• Aluminium
• Artificial stone
• Brass
• Bronze
• Canvas
• Cartoon/Cardboard
• Cast iron
• Cement
• Chrome steel
• Clay
• Concrete
• Copper
• Cotton
• Crystal
• Earth
• Felt
• Fibre glass
• Glass
• Gold
• Granite
• Gum
• Iron
• Ivory
• Jute
• Lead
• Leather
• Limestone
• Linoleum
• Marble
• Metal
• Paper
• Perspex
• Plaster
• Polyester
• Polyurethane Foam
• Porcelain
• Precious stone
• Resin
• Sand
• Sandstone
• Sheet metal
• Silver
• Steel
• Stone
• String
• Synthetic material
• Textile
• Wax
• Wire
• Wire netting
• Wood
• Ytong
• Miscellaneous